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• <br /> vaimont <br /> STRUCTURES <br /> April 4, 2019 <br /> Jay Kim <br /> Construction Manager, AT&T Turf <br /> General Dynamics Wireless Services <br /> 19240 Des Moines Memorial Drive South <br /> Building C, Suites 300&320 <br /> SeaTac,WA 98148 <br /> (425)201-4830 direct <br /> Subject: Structural Analysis for Existing 113.17' AGL Monopole <br /> Analysis Order No.339275-P4 <br /> Original Order No.339275-P1 <br /> Site Name:WA6348 Glenwood,WA <br /> Dear Mr. Kim: <br /> We have completed the structural analysis you requested for the above referenced monopole. <br /> The results of our analysis indicate that the existing monopole, base plate and anchor <br /> bolts are structurally adequate to accommodate the proposed loading. <br /> The design criteria and loading condition used for this analysis is as follows: <br /> ANSI/TIA-222-G Addendum 2, Including: <br /> 85 mph wind(3-sec gust, 50 yr. return period), no ice <br /> 40 mph wind(3-sec gust, 50 yr. return period), '/' ice <br /> Exposure Category C <br /> Structure Classification II <br /> Topographic Category 1 <br /> 60 mph wind with no ice for twist and sway <br /> Loading as Follows: <br /> 112'-2" Pole <br /> 1 4 FT LIGHTNING ROD @ 112.20' <br /> 3 SBJAH4-1D65B-DL(W/pm)@ 105' AGL <br /> 6 SBNHH-1D65C @ 93.5' AGL <br /> 3 NNH4-65B-R6(w/PM)@ 105'AGL <br /> 6 CommScope E14R00P33© 105' AGL <br /> 1 Site Pro 1 UWS6-NP© 105' AGL <br /> 3 RRUS 4449 B12/B5 @ 93.5'AGL <br /> 3 RRUS 8843 B66A/B2 @ 93.5'AGL <br /> 1 DC-6627 Surge Protector/ovp @ 93.5'AGL <br /> 1 Site Pro 1 LWRM Ring Mount w/3 DSM2 Stand-Off Arms @ 93.5' AGL <br /> Valmont certifies that the proposed loading meets the design criteria of the ANSI/TIA-222 <br /> Revision G Addendum 2, "Structural Standard for Antenna Supporting Structures and Antennas." <br /> The structural analysis was based upon monopole information obtained from Valmont Drawing <br /> Number 339275RA(dated 9/13/16). <br /> Americas Lighting and Communication Structures <br /> Valmont Industries,Inc.7002 North 288th Street Valley,NE 68064-0358 USA <br /> Toll Free:800-825-6668 Fax:402-359-6091 www.valmont.com <br />